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37000 Feet | Browse and search NASA's Aviation Safety Reporting System |
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Pilot of an small transport twin failed to engage the autoplt altitude hold while in cruise reviewing charts resulting in aircraft climbing off altitude by 500 ft. ATC intervened to bring him back to assigned altitude.
| Attributes | |
| ACN | 379560 |
| Time | |
| Date | 199709 |
| Day | Mon |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | atc facility : ard |
| State Reference | PA |
| Altitude | msl bound lower : 18000 msl bound upper : 18450 |
| Environment | |
| Flight Conditions | Mixed |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zny |
| Operator | general aviation : corporate |
| Make Model Name | Any Unknown or Unlisted Aircraft Manufacturer |
| Operating Under FAR Part | Part 91 |
| Flight Phase | cruise other |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | Other |
| Function | flight crew : single pilot |
| Qualification | other other : other pilot : commercial pilot : instrument |
| Experience | flight time last 90 days : 100 flight time total : 2100 flight time type : 65 |
| ASRS Report | 379560 |
| Person 2 | |
| Affiliation | government : faa |
| Function | controller : radar |
| Qualification | controller : radar |
| Events | |
| Anomaly | altitude deviation : excursion from assigned altitude non adherence : clearance |
| Independent Detector | other controllera |
| Resolutory Action | flight crew : returned to intended course or assigned course other |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
While reviewing navigation charts to follow my clearance, my autoplt hold was not engaged and my altitude increased approximately 400-500 ft. It was brought to my attention by ATC. I immediately descended to my assigned altitude and ensured the autoplt was engaged properly.
Original NASA ASRS Text
Title: PLT OF AN SMT TWIN FAILED TO ENGAGE THE AUTOPLT ALT HOLD WHILE IN CRUISE REVIEWING CHARTS RESULTING IN ACFT CLBING OFF ALT BY 500 FT. ATC INTERVENED TO BRING HIM BACK TO ASSIGNED ALT.
Narrative: WHILE REVIEWING NAV CHARTS TO FOLLOW MY CLRNC, MY AUTOPLT HOLD WAS NOT ENGAGED AND MY ALT INCREASED APPROX 400-500 FT. IT WAS BROUGHT TO MY ATTN BY ATC. I IMMEDIATELY DSNDED TO MY ASSIGNED ALT AND ENSURED THE AUTOPLT WAS ENGAGED PROPERLY.
Data retrieved from NASA's ASRS site as of July 2007 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.